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A comment on Flat lens offers a perfect image. Parent comment

Re:Flat lens offers a perfect image by Sharlin on Sunday August 26, 2012 @06:47AM (#4434847)
Or you have to expose for a long time.
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Re:Flat lens offers a perfect image by Luc on Sunday August 26, 2012 @08:35AM (#4434972)
Or use more than one pinhole... E.g. http://pinhole.stanford.edu/zp.html
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